MCP1602 查看數據表（PDF） - Microchip Technology
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MCP1602 Datasheet PDF : 26 Pages
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MCP1602
2.0 TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein are
not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated, VIN = SHDN = 3.6V, COUT = CIN = 4.7 µF, L = 4.7 µH, VOUT(ADJ) = 1.8V, ILOAD = 100 mA,
TA = +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.
60
55
VIN = 5.5V
50
VOUT = 1.8V
45
40
VIN = 4.2V
35
VIN = 3.6V
30
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (oC)
FIGURE 2-1:
IQ vs. Ambient Temperature.
55
TA = +25°C
50
TA = +90°C
45
TA = -40°C
40
35
30
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
FIGURE 2-4:
IQ vs. Input Voltage.
100
95
VOUT = 1.2V
90 IOUT = 100 mA
85
80 IOUT = 300 mA
75
IOUT = 500 mA
70
65
3.0 3.2 3.4 3.6 3.8 4.0 4.2
Input Voltage (V)
FIGURE 2-2:
(VOUT = 1.2V).
Efficiency vs. Input Voltage
100
90
VIN = 3.6V
80
VIN = 3.0V
70
60
50
40
30
20
0.1
VIN = 4.2V
VOUT = 1.2V
1
10
100
Output Current (mA)
1000
FIGURE 2-5:
(VOUT = 1.2V).
Efficiency vs. Output Load
100
95 IOUT = 100 mA
90
VOUT = 1.8V
85 IOUT = 300 mA
80
IOUT = 500 mA
75
70
3.0 3.2 3.4 3.6 3.8 4.0 4.2
Input Voltage (V)
FIGURE 2-3:
(VOUT = 1.8V).
Efficiency vs. Input Voltage
100
90
VIN = 3.6V
80
VIN = 3.0V
70
60
50
40
VIN = 4.2V
30
20
VOUT = 1.8V
0.1
1
10
100
1000
Output Current (mA)
FIGURE 2-6:
(VOUT = 1.8V).
Efficiency vs. Output Load
© 2007 Microchip Technology Inc.
DS22061A-page 7
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